Kastle

Network Security Intern

InternshipHybridTiruchirappalli, Tamil Nadu6 months17K/mo5 openingsImmediate / Rolling

About this internship

Kastle is hiring a Network Security Intern in Tiruchirappalli — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to network security engineering rather than a certificate-only programme. About the role As a Network Security Intern at Kastle, your core…

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Skills you'll use

FirewallsNetwork SegmentationVPNIDS / IPSTCP/IPWiresharkRouting & SwitchingAccess Control ListsLinuxSecurity Hardening

What you'll do

Work on configuring and reviewing the controls that sit between networks — firewalls, segmentation, VPNs — and testing that they hold alongside the core team
Apply Firewalls, Network Segmentation, VPN, IDS / IPS to live, production-facing problems
Document your work clearly for reviewers and stakeholders
Participate in reviews and act on the feedback you receive
Collaborate across engineering, product, design or business as required
Follow the team's quality, testing and documentation standards

Who can apply

Pursuing or recently completed B.E./B.Tech (CSE/IT/ECE/Telecom), BCA/MCA or B.Sc (IT / Cyber Security)
Graduating batch 2026 or 2027 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of Firewalls, Network Segmentation, VPN (or a genuine willingness to learn them)
Exposure to IDS / IPS, TCP/IP, Wireshark is an advantage
Clear written and verbal communication in English, and care with detail in your work
No prior work experience required — this is a fresher-friendly internship
Based in Tiruchirappalli, Tamil Nadu or willing to work from there for the internship period

Perks & benefits

Exposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship CertificateBroad ownership and direct exposure to founders and senior decision-makers

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Discussion with the hiring manager on the role and your fit
3HR discussion — stipend, start date, expectations and offer

About Kastle

Kastle operates in the ai fintech sector and has an active presence in Tiruchirappalli. Interns here are put on real work from the start, because the team's view is that the fastest way to learn a craft is to practise it under people who already do it well — not to watch it from a distance. The…

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